Apparatus for measuring electric field strength



FIG. 1 is a top and front perspective view of a first embodiment of the apparatus for measuring electric field strength;

FIG. 2 is a top view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a bottom view thereof. 

The oranmental design for an apparatus for measuring electric field strength, as shown. 